Lai Si Enterprise Holding Ltd is an investment holding company. The group's operating segments are Fitting-out works, Construction works, Repair & maintenance services, and restaurant operations. The majority of its revenue comes from Fitting-out, alteration, and addition works. The fitting-out projects undertaken by the firm include different categories of customers, which include hotels & casinos, retail shops & restaurants, and others. Its geographical segments are Macau and Hong Kong, of which the majority of its revenue comes from Macau.